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Netlogon and DNS

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5 replies

by squirrel01

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I am running W2k Server as a root dns server.
TCP/IP configured as follows 192.168.0.254, subnet mask 255.255.255.0 gateway 192.168.0.1 (Win98 for ICS)preferred DNS server 127.0.0.1. DNS is configured to forward to the ISP DNS #. I am experiencingSystem warning Netlogon event 5781 Dynamic registration or deregistration of one or more DNS records failed because no DNS servers are available. And also Netlogon event 5782 Event Type: Warning
Event Source: NETLOGON
Event Category: None
Event ID: 5782
Dynamic registration or deregistration of one or more DNS records failed with the following error: No DNS servers configured for local system.
*The event viewer does not show any DNS errors and both simple queries and recursive queries pass for DNS.
I think I have a configuration problem but can't figure out what it is.

5 replies

by sativocomputerservices

Frog Lady...

I hope it as simple as what I think... I believe that the TCP/IP configuration is incorrect. If your W2K server is configured as your DNS server, your W2K server IP address MUST be listed as the prferred DNS server. Your DNS settings look like they are configured propperly, but make sure your server is listed first. I doubt that your ISP will let you make dynamic entries to its DNS table and the way your TCP/IP is setup now, it is trying to do that. Please email me if you need further explanation.

by squirrel01

I have resolved this by using my loopback address as the preferred DNS Server and my actual address as the alternative DNS Server. In my Reverse lookup zone I created a pointer record referencing my IP address and fully qualified domain name followed by a .(dot). Thanks for your help.

by ahmerz

make sure that in the tcp/ip configuration of clients you have to put 2 entries for dns server ICS machine ip address as primary top and w2k DNS server ip address secondary chioce , one for ur lan that is ur w2k dns ip and other for ICS users that is your ICS win98 box ip ,
and for NETLOGON error try this , Make sure that your Win2K DNS server is configured for Dynamic Updates. Active Directory requires this, so it can add its SRV (service) records to DNS. You will want to right-click your forward lookup zone and set it there. Make sure the DNS server points to itself and the AD server has this DNS server listed as its only DNS server. This should clear up the NETLOGON events.
i hope this will solve ur problem feel free to contact me on email zaak2000@hotmail.com

by squirrel01

I have resolved this by using my loopback address as the preferred DNS Server and my actual address as the alternative DNS Server and entering my Win98 machine's IP as the Gateway. In my Reverse lookup zone I created a pointer record referencing my IP address and fully qualified domain name followed by a .(dot). Thanks for your help.

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